This article discusses the security measures and obsolescence mitigation techniques for costly inventories and equipment spare parts. It covers topics such as secured location of the warehouse, locked stores, stock taking, security alarms, training employees about security, inventory insurance, and recommendations for obsolescence mitigation. It also explains the guidelines to achieve total productive maintenance and obsolescence prevention for costly equipment, such as focused improvement, autonomous maintenance, planned maintenance, training and educating, early equipment management, safety healthy environment, and total productive maintenance in administration. The article concludes by emphasizing the importance of implementing these guidelines and educating employees to ensure efficient operations and high-quality production.